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Table 9 Detailed studies of chromosomal frequencies of CYP1B1 haplotype ACTTGATC in haploblock 2

From: Head-and-neck squamous cell carcinoma risk in smokers: no association detected between phenotype and AHR, CYP1A1, CYP1A2, or CYP1B1 genotype

African-Americans in present cohort

 

ACTTGATC*

Other haplotypes

Total chromosomes

HS

8

14

22

HR

0

6

6

Total

8

20

28

  1. *Not significantly different (P = 0.141) by Fisher’s exact test, comparing HS with HR